A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 5920-00-017-2851
NSN 5920-00-236-1118
NSN 6645-01-132-1862
NSN 6610-01-571-8038
NSN 5990-01-272-4091
NSN 6320-00-977-3930
NSN 6685-00-057-1742
NSN 7035-00-478-4596
NSN 6135-01-604-8739
NSN 5950-01-034-9333
NSN 6150-01-083-5843
NSN 5985-01-069-5025